Cooling box



Illustration 1 is a perspective front view of a cooling box showing my design;

Illustration 2 is a perspective front view thereof with an open lid;

Illustration 3 is a top view thereof relative to Illustration 1;

Illustration 4 is a right side view thereof relative to Illustration 1;

Illustration 5 is a left side view thereof relative to Illustration 1;

Illustration 6 is a front view thereof relative to Illustration 1; and,

Illustration 7 is a rear view thereof relative to Illustration 1. 

The ornamental design for a cooling box, as shown and described. 